#include <stdio.h>

// 函数声明
int max(int num1,int num2);
int main(void)
{
    int a =200,b=200;
    int ret;

    ret = max(a,b);
    printf("Max is : %d \n",ret);
    return 0;
}
int max(int num1,int num2){
    int result;
    if (num1 > num2) {
        result = num1;
    }
    else if (num2 > num1) {
        result = num2;
    }
    else {
        result = 300;
    }
    return result;
}